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Finding the Fourth Proportional to 343,822.60, 515,952.60 and 201,667.60

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Solution

The fourth proportional to 343,822.60, 515,952.60 and 201,667.60 is: 302,629.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,822.60 : 515,952.60 = 201,667.60 : x
  2. Step 2: Convert to fraction form
    343,822.60/515,952.60 = 201,667.60/x
  3. Step 3: Cross multiply
    343,822.60x = 515,952.60 × 201,667.60
  4. Step 4: Simplify right side
    343,822.60x = 104,050,922,555.76
  5. Step 5: Solve for x
    x = 104,050,922,555.76/343,822.60
  6. Step 6: Final answer
    x = 302,629.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.